Sendmail stopped sending mails, "did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA"
25,183
Removed Centos from hosts and added this line:
mydomain.com.ip.address mydomain.com
Now it works.
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Author by
IS4
Updated on September 18, 2022Comments
-
IS4 almost 2 years
All mails suddenly stopped sending, here is the maillog:
Jan 26 17:02:20 vm2745 sendmail[3544]: My unqualified host name (Centos) unknown; sleeping for retry Jan 26 17:03:20 vm2745 sendmail[3544]: unable to qualify my own domain name (Centos) -- using short name Jan 26 17:03:20 vm2745 sendmail[3544]: t0QG2KPA003544: Authentication-Warning: Centos: apache set sender to [email protected] using -f Jan 26 17:03:20 vm2745 sendmail[3544]: t0QG2KPA003544: [email protected], size=470, class=0, nrcpts=1, msgid=, relay=apache@localhost Jan 26 17:03:20 vm2745 sendmail[3544]: t0QG2KPA003544: [email protected], [email protected] (48/48), delay=00:01:00, xdelay=00:00:00, mailer=relay, pri=30470, relay=[127.0.0.1] [127.0.0.1], dsn=5.0.0, stat=Service unavailable Jan 26 17:03:20 vm2745 sendmail[3544]: t0QG2KPA003544: t0QG2KPB003544: DSN: Service unavailable Jan 26 17:03:20 vm2745 sendmail[3545]: t0QG3K4Q003545: Centos [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA Jan 26 17:03:20 vm2745 sendmail[3544]: t0QG2KPB003544: [email protected], delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=31494, relay=[127.0.0.1], dsn=5.0.0, stat=Service unavailable Jan 26 17:03:20 vm2745 sendmail[3544]: t0QG2KPB003544: t0QG2KPC003544: return to sender: Service unavailable Jan 26 17:03:20 vm2745 sendmail[3544]: t0QG2KPC003544: to=postmaster, delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=32518, relay=[127.0.0.1], dsn=5.0.0, stat=Service unavailable Jan 26 17:03:20 vm2745 sendmail[3544]: t0QG2KPB003544: Losing ./qft0QG2KPB003544: savemail panic Jan 26 17:03:20 vm2745 sendmail[3544]: t0QG2KPB003544: SYSERR(apache): savemail: cannot save rejected email anywhere
hosts:
127.0.0.1 Centos localhost ::1 localhost6.localdomain6 localhost6
hosts.allow:
ALL : 127.0.0.1, 212.226.x.x, 10.10.10. sendmail : ALL sendmail : localhost popa3d : ALL
hosts.deny:
ALL:ALL
/etc/mail/access:
Connect:localhost.localdomain RELAY Connect:localhost RELAY Connect:127.0.0.1 RELAY
What's wrong?